Ursaki, V V and Rusu, E V and Sarua, A and Kuball, M and Stratan, G I and Burlacu, A and Tiginyanu, I M (2007) Optical characterization of hierarchical ZnO structures grown with a simplified vapour transport method. Nanotechnology, 18 (21). 215705 (8pp).
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Official URL: http://stacks.iop.org/0957-4484/18/215705
Abstract
A new ZnO micro/nanostructure morphology in the form of micro-torches was grown in the family of ZnO hierarchical structures by a simplified thermal chemical vapour transport and condensation method using a vertical furnace. It is formed by two basic parts: a three-dimensional (3D) crystal base and one-dimensional (1D) nanorods nucleated from this base. Mechanisms of this micro/nanostructure growth are suggested to be governed by the change of the ZnO vapour supersaturation level during the crystal growth. Micro-Raman analysis demonstrates good crystal lattice quality, independent of the micro/nanostructure morphology. Differences in the luminescence characteristics inherent to the different parts of the micro/nanostructure are expected to be useful for the development of micro/nano-optoelectronic devices.
| Item Type: | Article |
|---|---|
| ID Code: | 1573 |
| Deposited By: | Prof. Alexey Ivanov |
| Deposited On: | 16 Mar 2009 10:40 |
| Last Modified: | 20 Mar 2009 08:58 |
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